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Mysteries of massive holes forming in Siberian permafrost unlocked by scientists – CNN
Drone photography, 3D modeling and artificial intelligence are now helping scientists understand how a number of massive craters have formed in the Siberian tundra…

(CNN)The massive crater appeared violently and explosively in the Siberian tundra last year — a powerful blowout of methane gas throwing ice and rock hundreds of feet away and leaving a gaping circular scar in the empty and eerie landscape.
It was the 17th hole to appear in the remote Yamal and Gyda peninsulas in the Russian Arctic since the first was spotted in 2013, mystifying scientists. The craters arethought to be linked to climate change. Drone photography, 3D modeling and artificial intelligence…
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